Hussain

Most popular questions and responses by Hussain
1. Math

A rectangular courtyard is 57m and50cm long and 22m broad determine the least possible number of square stones of the same size required to pave it

2. arithmetic

there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.

3. statistics

Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database, an estimate of the percentage of adults who have at some point in their life been told they have hypertension is 23.53

4. calculus

Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P

5. al mustafa publick school

two planets of masses m and respectively.have a centre to center separation of r.at what distance from the center of the pianet of mass m do the gravitational force of planets cancel each other???

6. science

apparent change in wavelength of sound waves is 2.5cm when the source of sound is approaching stationary listener with velocity 8cm/s.Apparent decrease in the frequency of source when observer recedes from the same source at rest with a velocity of 30m/s

7. calculus

A dam 15 m high holds the water in reservoir . For safety reasons , the water level is maintained at a height 3 m below the top of the dam. At best of the dam , engineers have installed a vertical door in the shape of an equilateral triangle with sides of

8. Math

Estimate a range for the sum:7.6+2.3+6.7

9. chemistry

what volumes of 6M hcl and 2M hcl should be mixed to get two litres of 3M hcl

10. general knowledge

what is an intelligent skeleton?

11. general knowledge

name a fuzzy fruit that grows by the seashore

12. spanish

leemos las lecciones completas de puntos de partida?

13. statistics

1. Suppose a certain instructor is interested in determining the average final grade for all students taking STA 205 in any given semester. Suppose she obtains the academic records for 100 former STA 205 students. For this scenario, determine both the

14. science

apparent change in wavelength of sound waves is 2.5cm when the source of sound is approaching stationary listener with velocity 8cm/s.

3*8/6/7=

16. Strength of materials

Giveto applications of mechanics depends upon strength

17. Strength of materials

Explain UTM with neat sketch

18. maths

5/6-13/15-3+5=

19. chemistry

15gm of sodium chloride is present in one kilogram of solution.express the concentratiom in ppm and ppb

20. Math

A weight lifter is raising a barbell of mass 120kg. He does this in two stages. At the end of the first stage he holds the barbell steady at shoulder height. What upward force is each arm exerting?

when will u give the answers?

22. social studies

what is the name of a rock that is not as warm as rocks

23. general knowledge

what is the opening in the bottom of a soup dish?

24. general knowledge

what is intelligent skeleton?

5/6+1/2-3/4=

1. gse 122

1) y = aD + b (cube root of D) a and b are constant. when y=6, d=27 6= 27a + b(3√ 27) 6= 27a + 3b ----------equation 1 when y= 11, d = 1/8 11= a/8 + b( 3√ 1/8) 11= a/8 + b/2 --------- equation 2 so we have 6= 27a + 3b 11= a/8 + b/2 Rearrange 27a + 3b

posted on August 25, 2018
2. science

itvbarnoeso

posted on September 19, 2017
3. poly technic

thickness=s acceleration of the bullet inside plank=-a 200^2-400^2=-2as as=60000 units v^2-400^2=2*a*s/2 v^2=160000-60000 =100000 units v=100root10 m/s

posted on August 26, 2017
4. fractions

mary has 12 marbles 3/12 of the marbles are yeallo and 2/12 of the marbles are blue . the rest of the marble are green . how many marbles are green ? explain how you know ?

posted on February 24, 2016